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The Interstate Killer: Final Route (Book Three): A Gripping FBI Police Procedural Thriller of Interstate Murders, Hidden Conspiracies, and the Final H
Paperback
Series: The Interstate Killer Trilogy, Book 3
Publisher: Independently Published
Published: Jul 13 2026
Pages: 364
Weight: 1.07
Height: 0.75 Width: 6.00 Depth: 9.00
Language: English
The road never ends. Neither does evil.
The man known as the Interstate Killer is behind bars. The nation believes the nightmare is over. Families begin to heal. The task force that hunted America's most elusive serial killer prepares for the biggest trial in modern criminal history.
Then another person disappears.
When FBI investigator Sarah Mitchell uncovers evidence linking the new disappearance to a hidden location beneath Interstate 80, the case takes a terrifying turn. A forgotten Cold War facility, secret maintenance tunnels, altered government records, and a mysterious Final Route reveal that the killer's legacy reaches far beyond a single murderer.
As investigators race across multiple states, every clue exposes a deeper conspiracy hidden within America's interstate highway system. Someone has been protecting dangerous secrets for decades, and they'll kill anyone who gets too close.
With forensic evidence, psychological profiling, and relentless police work, Sarah and her team must uncover the truth before another victim vanishes forever. But as the investigation closes in, they realize they're no longer chasing the past.
They're hunting someone who is still out there.
The Interstate Killer: Final Route is the explosive conclusion to the Interstate Killer Trilogy, a gripping police procedural packed with shocking twists, high-stakes suspense, authentic investigations, and relentless action. Perfect for readers who love Michael Connelly, Karin Slaughter, Jeffery Deaver, Robert Dugoni, and C.J. Box, this unforgettable crime thriller will keep you turning pages until its breathtaking final revelation.
One highway. One final secret. One last chance for justice.
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